mirror of
https://github.com/ankitects/anki.git
synced 2025-09-21 15:32:23 -04:00
dc81a7fed0
So, this is fun. Apparently "DeckId" is considered preferable to the "DeckID" were were using until now, and the latest clippy will start warning about it. We could of course disable the warning, but probably better to bite the bullet and switch to the naming that's generally considered best.
78 lines
2.8 KiB
Rust
78 lines
2.8 KiB
Rust
// Copyright: Ankitects Pty Ltd and contributors
|
|
// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
|
|
|
|
use crate::prelude::*;
|
|
|
|
#[derive(Debug)]
|
|
pub(crate) enum UndoableCardChange {
|
|
Added(Box<Card>),
|
|
Updated(Box<Card>),
|
|
Removed(Box<Card>),
|
|
GraveAdded(Box<(CardId, Usn)>),
|
|
GraveRemoved(Box<(CardId, Usn)>),
|
|
}
|
|
|
|
impl Collection {
|
|
pub(crate) fn undo_card_change(&mut self, change: UndoableCardChange) -> Result<()> {
|
|
match change {
|
|
UndoableCardChange::Added(card) => self.remove_card_only(*card),
|
|
UndoableCardChange::Updated(mut card) => {
|
|
let current = self
|
|
.storage
|
|
.get_card(card.id)?
|
|
.ok_or_else(|| AnkiError::invalid_input("card disappeared"))?;
|
|
self.update_card_undoable(&mut *card, current)
|
|
}
|
|
UndoableCardChange::Removed(card) => self.restore_deleted_card(*card),
|
|
UndoableCardChange::GraveAdded(e) => self.remove_card_grave(e.0, e.1),
|
|
UndoableCardChange::GraveRemoved(e) => self.add_card_grave_undoable(e.0, e.1),
|
|
}
|
|
}
|
|
|
|
pub(super) fn add_card_undoable(&mut self, card: &mut Card) -> Result<(), AnkiError> {
|
|
self.storage.add_card(card)?;
|
|
self.save_undo(UndoableCardChange::Added(Box::new(card.clone())));
|
|
Ok(())
|
|
}
|
|
|
|
pub(super) fn update_card_undoable(&mut self, card: &mut Card, original: Card) -> Result<()> {
|
|
if card.id.0 == 0 {
|
|
return Err(AnkiError::invalid_input("card id not set"));
|
|
}
|
|
self.save_undo(UndoableCardChange::Updated(Box::new(original)));
|
|
self.storage.update_card(card)
|
|
}
|
|
|
|
pub(crate) fn remove_card_and_add_grave_undoable(
|
|
&mut self,
|
|
card: Card,
|
|
usn: Usn,
|
|
) -> Result<()> {
|
|
self.add_card_grave_undoable(card.id, usn)?;
|
|
self.storage.remove_card(card.id)?;
|
|
self.save_undo(UndoableCardChange::Removed(Box::new(card)));
|
|
Ok(())
|
|
}
|
|
|
|
fn restore_deleted_card(&mut self, card: Card) -> Result<()> {
|
|
self.storage.add_or_update_card(&card)?;
|
|
self.save_undo(UndoableCardChange::Added(Box::new(card)));
|
|
Ok(())
|
|
}
|
|
|
|
fn remove_card_only(&mut self, card: Card) -> Result<()> {
|
|
self.storage.remove_card(card.id)?;
|
|
self.save_undo(UndoableCardChange::Removed(Box::new(card)));
|
|
Ok(())
|
|
}
|
|
|
|
fn add_card_grave_undoable(&mut self, cid: CardId, usn: Usn) -> Result<()> {
|
|
self.save_undo(UndoableCardChange::GraveAdded(Box::new((cid, usn))));
|
|
self.storage.add_card_grave(cid, usn)
|
|
}
|
|
|
|
fn remove_card_grave(&mut self, cid: CardId, usn: Usn) -> Result<()> {
|
|
self.save_undo(UndoableCardChange::GraveRemoved(Box::new((cid, usn))));
|
|
self.storage.remove_card_grave(cid)
|
|
}
|
|
}
|